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Diffstat (limited to 'libavfilter/vf_uspp.c')
| -rw-r--r-- | libavfilter/vf_uspp.c | 509 |
1 files changed, 509 insertions, 0 deletions
diff --git a/libavfilter/vf_uspp.c b/libavfilter/vf_uspp.c new file mode 100644 index 0000000000..ef493b860f --- /dev/null +++ b/libavfilter/vf_uspp.c @@ -0,0 +1,509 @@ +/* + * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> + * Copyright (c) 2014 Arwa Arif <arwaarif1994@gmail.com> + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with FFmpeg; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +/** + * @file + * Ultra Slow/Simple Post-processing filter. + * + * Originally written by Michael Niedermayer for the MPlayer project, and + * ported by Arwa Arif for FFmpeg. + */ + +#include "libavutil/avassert.h" +#include "libavutil/imgutils.h" +#include "libavutil/opt.h" +#include "libavutil/pixdesc.h" +#include "internal.h" +#include "avfilter.h" + +#define MAX_LEVEL 8 /* quality levels */ +#define BLOCK 16 + +typedef struct { + const AVClass *av_class; + int log2_count; + int hsub, vsub; + int qp; + int qscale_type; + int temp_stride[3]; + uint8_t *src[3]; + uint16_t *temp[3]; + int outbuf_size; + uint8_t *outbuf; + AVCodecContext *avctx_enc[BLOCK*BLOCK]; + AVFrame *frame; + AVFrame *frame_dec; + uint8_t *non_b_qp_table; + int non_b_qp_alloc_size; + int use_bframe_qp; +} USPPContext; + +#define OFFSET(x) offsetof(USPPContext, x) +#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM +static const AVOption uspp_options[] = { + { "quality", "set quality", OFFSET(log2_count), AV_OPT_TYPE_INT, {.i64 = 3}, 0, MAX_LEVEL, FLAGS }, + { "qp", "force a constant quantizer parameter", OFFSET(qp), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 63, FLAGS }, + { "use_bframe_qp", "use B-frames' QP", OFFSET(use_bframe_qp), AV_OPT_TYPE_BOOL,{.i64 = 0}, 0, 1, FLAGS }, + { NULL } +}; + +AVFILTER_DEFINE_CLASS(uspp); + +DECLARE_ALIGNED(8, static const uint8_t, dither)[8][8] = { + { 0*4, 48*4, 12*4, 60*4, 3*4, 51*4, 15*4, 63*4, }, + { 32*4, 16*4, 44*4, 28*4, 35*4, 19*4, 47*4, 31*4, }, + { 8*4, 56*4, 4*4, 52*4, 11*4, 59*4, 7*4, 55*4, }, + { 40*4, 24*4, 36*4, 20*4, 43*4, 27*4, 39*4, 23*4, }, + { 2*4, 50*4, 14*4, 62*4, 1*4, 49*4, 13*4, 61*4, }, + { 34*4, 18*4, 46*4, 30*4, 33*4, 17*4, 45*4, 29*4, }, + { 10*4, 58*4, 6*4, 54*4, 9*4, 57*4, 5*4, 53*4, }, + { 42*4, 26*4, 38*4, 22*4, 41*4, 25*4, 37*4, 21*4, }, +}; + +static const uint8_t offset[511][2] = { + { 0, 0}, + { 0, 0}, { 8, 8}, // quality 1 + { 0, 0}, { 4, 4}, {12, 8}, { 8,12}, // quality 2 + { 0, 0}, {10, 2}, { 4, 4}, {14, 6}, { 8, 8}, { 2,10}, {12,12}, { 6,14}, // quality 3 + + { 0, 0}, {10, 2}, { 4, 4}, {14, 6}, { 8, 8}, { 2,10}, {12,12}, { 6,14}, + { 5, 1}, {15, 3}, { 9, 5}, { 3, 7}, {13, 9}, { 7,11}, { 1,13}, {11,15}, // quality 4 + + { 0, 0}, { 8, 0}, { 0, 8}, { 8, 8}, { 5, 1}, {13, 1}, { 5, 9}, {13, 9}, + { 2, 2}, {10, 2}, { 2,10}, {10,10}, { 7, 3}, {15, 3}, { 7,11}, {15,11}, + { 4, 4}, {12, 4}, { 4,12}, {12,12}, { 1, 5}, { 9, 5}, { 1,13}, { 9,13}, + { 6, 6}, {14, 6}, { 6,14}, {14,14}, { 3, 7}, {11, 7}, { 3,15}, {11,15}, // quality 5 + + { 0, 0}, { 8, 0}, { 0, 8}, { 8, 8}, { 4, 0}, {12, 0}, { 4, 8}, {12, 8}, + { 1, 1}, { 9, 1}, { 1, 9}, { 9, 9}, { 5, 1}, {13, 1}, { 5, 9}, {13, 9}, + { 3, 2}, {11, 2}, { 3,10}, {11,10}, { 7, 2}, {15, 2}, { 7,10}, {15,10}, + { 2, 3}, {10, 3}, { 2,11}, {10,11}, { 6, 3}, {14, 3}, { 6,11}, {14,11}, + { 0, 4}, { 8, 4}, { 0,12}, { 8,12}, { 4, 4}, {12, 4}, { 4,12}, {12,12}, + { 1, 5}, { 9, 5}, { 1,13}, { 9,13}, { 5, 5}, {13, 5}, { 5,13}, {13,13}, + { 3, 6}, {11, 6}, { 3,14}, {11,14}, { 7, 6}, {15, 6}, { 7,14}, {15,14}, + { 2, 7}, {10, 7}, { 2,15}, {10,15}, { 6, 7}, {14, 7}, { 6,15}, {14,15}, // quality 6 + + { 0, 0}, { 8, 0}, { 0, 8}, { 8, 8}, { 0, 2}, { 8, 2}, { 0,10}, { 8,10}, + { 0, 4}, { 8, 4}, { 0,12}, { 8,12}, { 0, 6}, { 8, 6}, { 0,14}, { 8,14}, + { 1, 1}, { 9, 1}, { 1, 9}, { 9, 9}, { 1, 3}, { 9, 3}, { 1,11}, { 9,11}, + { 1, 5}, { 9, 5}, { 1,13}, { 9,13}, { 1, 7}, { 9, 7}, { 1,15}, { 9,15}, + { 2, 0}, {10, 0}, { 2, 8}, {10, 8}, { 2, 2}, {10, 2}, { 2,10}, {10,10}, + { 2, 4}, {10, 4}, { 2,12}, {10,12}, { 2, 6}, {10, 6}, { 2,14}, {10,14}, + { 3, 1}, {11, 1}, { 3, 9}, {11, 9}, { 3, 3}, {11, 3}, { 3,11}, {11,11}, + { 3, 5}, {11, 5}, { 3,13}, {11,13}, { 3, 7}, {11, 7}, { 3,15}, {11,15}, + { 4, 0}, {12, 0}, { 4, 8}, {12, 8}, { 4, 2}, {12, 2}, { 4,10}, {12,10}, + { 4, 4}, {12, 4}, { 4,12}, {12,12}, { 4, 6}, {12, 6}, { 4,14}, {12,14}, + { 5, 1}, {13, 1}, { 5, 9}, {13, 9}, { 5, 3}, {13, 3}, { 5,11}, {13,11}, + { 5, 5}, {13, 5}, { 5,13}, {13,13}, { 5, 7}, {13, 7}, { 5,15}, {13,15}, + { 6, 0}, {14, 0}, { 6, 8}, {14, 8}, { 6, 2}, {14, 2}, { 6,10}, {14,10}, + { 6, 4}, {14, 4}, { 6,12}, {14,12}, { 6, 6}, {14, 6}, { 6,14}, {14,14}, + { 7, 1}, {15, 1}, { 7, 9}, {15, 9}, { 7, 3}, {15, 3}, { 7,11}, {15,11}, + { 7, 5}, {15, 5}, { 7,13}, {15,13}, { 7, 7}, {15, 7}, { 7,15}, {15,15}, // quality 7 + + { 0, 0}, { 8, 0}, { 0, 8}, { 8, 8}, { 4, 4}, {12, 4}, { 4,12}, {12,12}, + { 0, 4}, { 8, 4}, { 0,12}, { 8,12}, { 4, 0}, {12, 0}, { 4, 8}, {12, 8}, + { 2, 2}, {10, 2}, { 2,10}, {10,10}, { 6, 6}, {14, 6}, { 6,14}, {14,14}, + { 2, 6}, {10, 6}, { 2,14}, {10,14}, { 6, 2}, {14, 2}, { 6,10}, {14,10}, + { 0, 2}, { 8, 2}, { 0,10}, { 8,10}, { 4, 6}, {12, 6}, { 4,14}, {12,14}, + { 0, 6}, { 8, 6}, { 0,14}, { 8,14}, { 4, 2}, {12, 2}, { 4,10}, {12,10}, + { 2, 0}, {10, 0}, { 2, 8}, {10, 8}, { 6, 4}, {14, 4}, { 6,12}, {14,12}, + { 2, 4}, {10, 4}, { 2,12}, {10,12}, { 6, 0}, {14, 0}, { 6, 8}, {14, 8}, + { 1, 1}, { 9, 1}, { 1, 9}, { 9, 9}, { 5, 5}, {13, 5}, { 5,13}, {13,13}, + { 1, 5}, { 9, 5}, { 1,13}, { 9,13}, { 5, 1}, {13, 1}, { 5, 9}, {13, 9}, + { 3, 3}, {11, 3}, { 3,11}, {11,11}, { 7, 7}, {15, 7}, { 7,15}, {15,15}, + { 3, 7}, {11, 7}, { 3,15}, {11,15}, { 7, 3}, {15, 3}, { 7,11}, {15,11}, + { 1, 3}, { 9, 3}, { 1,11}, { 9,11}, { 5, 7}, {13, 7}, { 5,15}, {13,15}, + { 1, 7}, { 9, 7}, { 1,15}, { 9,15}, { 5, 3}, {13, 3}, { 5,11}, {13,11}, // quality 8 + { 3, 1}, {11, 1}, { 3, 9}, {11, 9}, { 7, 5}, {15, 5}, { 7,13}, {15,13}, + { 3, 5}, {11, 5}, { 3,13}, {11,13}, { 7, 1}, {15, 1}, { 7, 9}, {15, 9}, + { 0, 1}, { 8, 1}, { 0, 9}, { 8, 9}, { 4, 5}, {12, 5}, { 4,13}, {12,13}, + { 0, 5}, { 8, 5}, { 0,13}, { 8,13}, { 4, 1}, {12, 1}, { 4, 9}, {12, 9}, + { 2, 3}, {10, 3}, { 2,11}, {10,11}, { 6, 7}, {14, 7}, { 6,15}, {14,15}, + { 2, 7}, {10, 7}, { 2,15}, {10,15}, { 6, 3}, {14, 3}, { 6,11}, {14,11}, + { 0, 3}, { 8, 3}, { 0,11}, { 8,11}, { 4, 7}, {12, 7}, { 4,15}, {12,15}, + { 0, 7}, { 8, 7}, { 0,15}, { 8,15}, { 4, 3}, {12, 3}, { 4,11}, {12,11}, + { 2, 1}, {10, 1}, { 2, 9}, {10, 9}, { 6, 5}, {14, 5}, { 6,13}, {14,13}, + { 2, 5}, {10, 5}, { 2,13}, {10,13}, { 6, 1}, {14, 1}, { 6, 9}, {14, 9}, + { 1, 0}, { 9, 0}, { 1, 8}, { 9, 8}, { 5, 4}, {13, 4}, { 5,12}, {13,12}, + { 1, 4}, { 9, 4}, { 1,12}, { 9,12}, { 5, 0}, {13, 0}, { 5, 8}, {13, 8}, + { 3, 2}, {11, 2}, { 3,10}, {11,10}, { 7, 6}, {15, 6}, { 7,14}, {15,14}, + { 3, 6}, {11, 6}, { 3,14}, {11,14}, { 7, 2}, {15, 2}, { 7,10}, {15,10}, + { 1, 2}, { 9, 2}, { 1,10}, { 9,10}, { 5, 6}, {13, 6}, { 5,14}, {13,14}, + { 1, 6}, { 9, 6}, { 1,14}, { 9,14}, { 5, 2}, {13, 2}, { 5,10}, {13,10}, + { 3, 0}, {11, 0}, { 3, 8}, {11, 8}, { 7, 4}, {15, 4}, { 7,12}, {15,12}, + { 3, 4}, {11, 4}, { 3,12}, {11,12}, { 7, 0}, {15, 0}, { 7, 8}, {15, 8}, +}; + +static void store_slice_c(uint8_t *dst, const uint16_t *src, + int dst_stride, int src_stride, + int width, int height, int log2_scale) +{ + int y, x; + +#define STORE(pos) do { \ + temp = ((src[x + y * src_stride + pos] << log2_scale) + d[pos]) >> 8; \ + if (temp & 0x100) temp = ~(temp >> 31); \ + dst[x + y * dst_stride + pos] = temp; \ +} while (0) + + for (y = 0; y < height; y++) { + const uint8_t *d = dither[y&7]; + for (x = 0; x < width; x += 8) { + int temp; + STORE(0); + STORE(1); + STORE(2); + STORE(3); + STORE(4); + STORE(5); + STORE(6); + STORE(7); + } + } +} + +static void filter(USPPContext *p, uint8_t *dst[3], uint8_t *src[3], + int dst_stride[3], int src_stride[3], int width, + int height, uint8_t *qp_store, int qp_stride) +{ + int x, y, i, j; + const int count = 1<<p->log2_count; + int ret; + + for (i = 0; i < 3; i++) { + int is_chroma = !!i; + int w = AV_CEIL_RSHIFT(width, is_chroma ? p->hsub : 0); + int h = AV_CEIL_RSHIFT(height, is_chroma ? p->vsub : 0); + int stride = p->temp_stride[i]; + int block = BLOCK >> (is_chroma ? p->hsub : 0); + + if (!src[i] || !dst[i]) + continue; + for (y = 0; y < h; y++) { + int index = block + block * stride + y * stride; + + memcpy(p->src[i] + index, src[i] + y * src_stride[i], w ); + for (x = 0; x < block; x++) { + p->src[i][index - x - 1] = p->src[i][index + x ]; + p->src[i][index + w + x ] = p->src[i][index + w - x - 1]; + } + } + for (y = 0; y < block; y++) { + memcpy(p->src[i] + ( block-1-y) * stride, p->src[i] + ( y+block ) * stride, stride); + memcpy(p->src[i] + (h+block +y) * stride, p->src[i] + (h-y+block-1) * stride, stride); + } + + p->frame->linesize[i] = stride; + memset(p->temp[i], 0, (h + 2 * block) * stride * sizeof(int16_t)); + } + + if (p->qp) + p->frame->quality = p->qp * FF_QP2LAMBDA; + else { + int qpsum=0; + int qpcount = (height>>4) * (height>>4); + + for (y = 0; y < (height>>4); y++) { + for (x = 0; x < (width>>4); x++) + qpsum += qp_store[x + y * qp_stride]; + } + p->frame->quality = ff_norm_qscale((qpsum + qpcount/2) / qpcount, p->qscale_type) * FF_QP2LAMBDA; + } +// init per MB qscale stuff FIXME + p->frame->height = height; + p->frame->width = width; + + for (i = 0; i < count; i++) { + const int x1 = offset[i+count-1][0]; + const int y1 = offset[i+count-1][1]; + const int x1c = x1 >> p->hsub; + const int y1c = y1 >> p->vsub; + const int BLOCKc = BLOCK >> p->hsub; + int offset; + AVPacket pkt = {0}; + int got_pkt_ptr; + + av_init_packet(&pkt); + pkt.data = p->outbuf; + pkt.size = p->outbuf_size; + + p->frame->data[0] = p->src[0] + x1 + y1 * p->frame->linesize[0]; + p->frame->data[1] = p->src[1] + x1c + y1c * p->frame->linesize[1]; + p->frame->data[2] = p->src[2] + x1c + y1c * p->frame->linesize[2]; + p->frame->format = p->avctx_enc[i]->pix_fmt; + + ret = avcodec_encode_video2(p->avctx_enc[i], &pkt, p->frame, &got_pkt_ptr); + if (ret < 0) { + av_log(p->avctx_enc[i], AV_LOG_ERROR, "Encoding failed\n"); + continue; + } + + p->frame_dec = p->avctx_enc[i]->coded_frame; + + offset = (BLOCK-x1) + (BLOCK-y1) * p->frame_dec->linesize[0]; + + for (y = 0; y < height; y++) + for (x = 0; x < width; x++) + p->temp[0][x + y * p->temp_stride[0]] += p->frame_dec->data[0][x + y * p->frame_dec->linesize[0] + offset]; + + if (!src[2] || !dst[2]) + continue; + + offset = (BLOCKc-x1c) + (BLOCKc-y1c) * p->frame_dec->linesize[1]; + + for (y = 0; y < AV_CEIL_RSHIFT(height, p->vsub); y++) { + for (x = 0; x < AV_CEIL_RSHIFT(width, p->hsub); x++) { + p->temp[1][x + y * p->temp_stride[1]] += p->frame_dec->data[1][x + y * p->frame_dec->linesize[1] + offset]; + p->temp[2][x + y * p->temp_stride[2]] += p->frame_dec->data[2][x + y * p->frame_dec->linesize[2] + offset]; + } + } + } + + for (j = 0; j < 3; j++) { + int is_chroma = !!j; + if (!dst[j]) + continue; + store_slice_c(dst[j], p->temp[j], dst_stride[j], p->temp_stride[j], + AV_CEIL_RSHIFT(width, is_chroma ? p->hsub : 0), + AV_CEIL_RSHIFT(height, is_chroma ? p->vsub : 0), + 8-p->log2_count); + } +} + +static int query_formats(AVFilterContext *ctx) +{ + static const enum AVPixelFormat pix_fmts[] = { + AV_PIX_FMT_YUV444P, + AV_PIX_FMT_YUV420P, + AV_PIX_FMT_YUV410P, + AV_PIX_FMT_YUVJ444P, + AV_PIX_FMT_YUVJ420P, + AV_PIX_FMT_GRAY8, + AV_PIX_FMT_NONE + }; + + AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts); + if (!fmts_list) + return AVERROR(ENOMEM); + return ff_set_common_formats(ctx, fmts_list); +} + +static int config_input(AVFilterLink *inlink) +{ + + AVFilterContext *ctx = inlink->dst; + USPPContext *uspp = ctx->priv; + const int height = inlink->h; + const int width = inlink->w; + const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); + int i; + + AVCodec *enc = avcodec_find_encoder(AV_CODEC_ID_SNOW); + if (!enc) { + av_log(ctx, AV_LOG_ERROR, "SNOW encoder not found.\n"); + return AVERROR(EINVAL); + } + + uspp->hsub = desc->log2_chroma_w; + uspp->vsub = desc->log2_chroma_h; + + for (i = 0; i < 3; i++) { + int is_chroma = !!i; + int w = (width + 4 * BLOCK-1) & (~(2 * BLOCK-1)); + int h = (height + 4 * BLOCK-1) & (~(2 * BLOCK-1)); + + if (is_chroma) { + w = AV_CEIL_RSHIFT(w, uspp->hsub); + h = AV_CEIL_RSHIFT(h, uspp->vsub); + } + + uspp->temp_stride[i] = w; + if (!(uspp->temp[i] = av_malloc_array(uspp->temp_stride[i], h * sizeof(int16_t)))) + return AVERROR(ENOMEM); + if (!(uspp->src [i] = av_malloc_array(uspp->temp_stride[i], h * sizeof(uint8_t)))) + return AVERROR(ENOMEM); + } + + for (i = 0; i < (1<<uspp->log2_count); i++) { + AVCodecContext *avctx_enc; + AVDictionary *opts = NULL; + int ret; + + if (!(uspp->avctx_enc[i] = avcodec_alloc_context3(NULL))) + return AVERROR(ENOMEM); + + avctx_enc = uspp->avctx_enc[i]; + avctx_enc->width = width + BLOCK; + avctx_enc->height = height + BLOCK; + avctx_enc->time_base = (AVRational){1,25}; // meaningless + avctx_enc->gop_size = INT_MAX; + avctx_enc->max_b_frames = 0; + avctx_enc->pix_fmt = inlink->format; + avctx_enc->flags = AV_CODEC_FLAG_QSCALE | AV_CODEC_FLAG_LOW_DELAY; + avctx_enc->strict_std_compliance = FF_COMPLIANCE_EXPERIMENTAL; + avctx_enc->global_quality = 123; + av_dict_set(&opts, "no_bitstream", "1", 0); + ret = avcodec_open2(avctx_enc, enc, &opts); + if (ret < 0) + return ret; + av_dict_free(&opts); + av_assert0(avctx_enc->codec); + } + + uspp->outbuf_size = (width + BLOCK) * (height + BLOCK) * 10; + if (!(uspp->frame = av_frame_alloc())) + return AVERROR(ENOMEM); + if (!(uspp->outbuf = av_malloc(uspp->outbuf_size))) + return AVERROR(ENOMEM); + + return 0; +} + +static int filter_frame(AVFilterLink *inlink, AVFrame *in) +{ + AVFilterContext *ctx = inlink->dst; + USPPContext *uspp = ctx->priv; + AVFilterLink *outlink = ctx->outputs[0]; + AVFrame *out = in; + + int qp_stride = 0; + uint8_t *qp_table = NULL; + + /* if we are not in a constant user quantizer mode and we don't want to use + * the quantizers from the B-frames (B-frames often have a higher QP), we + * need to save the qp table from the last non B-frame; this is what the + * following code block does */ + if (!uspp->qp) { + qp_table = av_frame_get_qp_table(in, &qp_stride, &uspp->qscale_type); + + if (qp_table && !uspp->use_bframe_qp && in->pict_type != AV_PICTURE_TYPE_B) { + int w, h; + + /* if the qp stride is not set, it means the QP are only defined on + * a line basis */ + if (!qp_stride) { + w = AV_CEIL_RSHIFT(inlink->w, 4); + h = 1; + } else { + w = qp_stride; + h = AV_CEIL_RSHIFT(inlink->h, 4); + } + + if (w * h > uspp->non_b_qp_alloc_size) { + int ret = av_reallocp_array(&uspp->non_b_qp_table, w, h); + if (ret < 0) { + uspp->non_b_qp_alloc_size = 0; + return ret; + } + uspp->non_b_qp_alloc_size = w * h; + } + + av_assert0(w * h <= uspp->non_b_qp_alloc_size); + memcpy(uspp->non_b_qp_table, qp_table, w * h); + } + } + + if (uspp->log2_count && !ctx->is_disabled) { + if (!uspp->use_bframe_qp && uspp->non_b_qp_table) + qp_table = uspp->non_b_qp_table; + + if (qp_table || uspp->qp) { + + /* get a new frame if in-place is not possible or if the dimensions + * are not multiple of 8 */ + if (!av_frame_is_writable(in) || (inlink->w & 7) || (inlink->h & 7)) { + const int aligned_w = FFALIGN(inlink->w, 8); + const int aligned_h = FFALIGN(inlink->h, 8); + + out = ff_get_video_buffer(outlink, aligned_w, aligned_h); + if (!out) { + av_frame_free(&in); + return AVERROR(ENOMEM); + } + av_frame_copy_props(out, in); + out->width = in->width; + out->height = in->height; + } + + filter(uspp, out->data, in->data, out->linesize, in->linesize, + inlink->w, inlink->h, qp_table, qp_stride); + } + } + + if (in != out) { + if (in->data[3]) + av_image_copy_plane(out->data[3], out->linesize[3], + in ->data[3], in ->linesize[3], + inlink->w, inlink->h); + av_frame_free(&in); + } + return ff_filter_frame(outlink, out); +} + +static av_cold void uninit(AVFilterContext *ctx) +{ + USPPContext *uspp = ctx->priv; + int i; + + for (i = 0; i < 3; i++) { + av_freep(&uspp->temp[i]); + av_freep(&uspp->src[i]); + } + + for (i = 0; i < (1 << uspp->log2_count); i++) { + avcodec_close(uspp->avctx_enc[i]); + av_freep(&uspp->avctx_enc[i]); + } + + av_freep(&uspp->non_b_qp_table); + av_freep(&uspp->outbuf); + av_frame_free(&uspp->frame); +} + +static const AVFilterPad uspp_inputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_VIDEO, + .config_props = config_input, + .filter_frame = filter_frame, + }, + { NULL } +}; + +static const AVFilterPad uspp_outputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_VIDEO, + }, + { NULL } +}; + +AVFilter ff_vf_uspp = { + .name = "uspp", + .description = NULL_IF_CONFIG_SMALL("Apply Ultra Simple / Slow Post-processing filter."), + .priv_size = sizeof(USPPContext), + .uninit = uninit, + .query_formats = query_formats, + .inputs = uspp_inputs, + .outputs = uspp_outputs, + .priv_class = &uspp_class, + .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL, +}; |